#243E85#243E85

#243E85 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.6% C 0.123 H 265.7°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#243E85
RGB	rgb(36, 62, 133)
HSL	hsl(224, 57%, 33%)
HSV	hsv(224, 73%, 52%)
CMYK	cmyk(72.9%, 53.4%, 0%, 47.8%)
CIE-LAB	lab(28.15, 16.06, -42.81)
CIE-LCH	lch(28.15, 45.73, 290.57°)
OKLab	oklab(38.64% -0.0092 -0.1231)
OKLCH	oklch(38.64% 0.123 265.7)
XYZ	xyz(6.6823, 5.5131, 22.8977)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E85 #856B24

analogous

#246E85 #243E85 #3B2485

triadic

#243E85 #85243E #3E8524

tetradic

#243E85 #85246E #856B24 #24853B

square

#243E85 #85246E #856B24 #24853B

split-complementary

#243E85 #853B24 #6E8524

monochromatic

#0A1125 #172855 #243E85 #3154B5 #5375D0

Accessibility & contrast

On white

9.99

#243E85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#243E85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E85

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E85	#FFFFFF	#000000	##FFFFFF
##243E85	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#104788

Deuteranopia (green-blind)

#003E84

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #243e85;
/* rgb */ color: rgb(36, 62, 133);
/* oklch */ color: oklch(38.6% 0.123 265.7);

Tailwind

colors: {
  custom: {
    50: '#6c72a9',
    500: '#243e85',
    950: '#000000',
  },
}

SCSS

$custom: #243e85;
$custom-light: #6c72a9;
$custom-dark: #000000;

JSON

{
  "hex": "#243e85",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 133
  },
  "hsl": {
    "h": 223.918,
    "s": 57.396,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38636,
    "c": 0.12342,
    "h": 265.7
  },
  "luminance": 0.05514
}

Semantic roles & 50–950 ramp

primary

#243E85

secondary

#B49A50

accent

#B847E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #243E85

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →